Home / 51,923.36-77,833.28-21,945.16

Finding the Fourth Proportional to 51,923.36, 77,833.28 and 21,945.16

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Solution

The fourth proportional to 51,923.36, 77,833.28 and 21,945.16 is: 32,895.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,923.36 : 77,833.28 = 21,945.16 : x
  2. Step 2: Convert to fraction form
    51,923.36/77,833.28 = 21,945.16/x
  3. Step 3: Cross multiply
    51,923.36x = 77,833.28 × 21,945.16
  4. Step 4: Simplify right side
    51,923.36x = 1,708,063,782.92
  5. Step 5: Solve for x
    x = 1,708,063,782.92/51,923.36
  6. Step 6: Final answer
    x = 32,895.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.